Home / 98,979.03-148,473.81-28,863.81

Finding the Fourth Proportional to 98,979.03, 148,473.81 and 28,863.81

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Solution

The fourth proportional to 98,979.03, 148,473.81 and 28,863.81 is: 43,297.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,979.03 : 148,473.81 = 28,863.81 : x
  2. Step 2: Convert to fraction form
    98,979.03/148,473.81 = 28,863.81/x
  3. Step 3: Cross multiply
    98,979.03x = 148,473.81 × 28,863.81
  4. Step 4: Simplify right side
    98,979.03x = 4,285,519,841.82
  5. Step 5: Solve for x
    x = 4,285,519,841.82/98,979.03
  6. Step 6: Final answer
    x = 43,297.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.